Natural numbers written out with their digits grouped in sets of 5 (leading zeros omitted).

Terms

a(0) =12345a(1) =67891a(2) =1112a(3) =13141a(4) =51617a(5) =18192a(6) =2122a(7) =23242a(8) =52627a(9) =28293a(10) =3132a(11) =33343a(12) =53637a(13) =38394a(14) =4142a(15) =43444a(16) =54647a(17) =48495a(18) =5152a(19) =53545a(20) =55657a(21) =58596a(22) =6162a(23) =63646a(24) =56667a(25) =68697a(26) =7172a(27) =73747a(28) =57677a(29) =78798